NAICS Code Guide
Offices of Certified Public Accountants
Professional, Scientific, and Technical Services · SBA Size Standard: $21M · ~18,000 registered entities
NAICS 541211 covers CPA firms providing federal audit services — IG audits, CFO Act financial statement audits, single audits, and improper payments reviews.
About NAICS 541211
NAICS 541211 covers offices of CPAs primarily engaged in providing accounting, auditing, bookkeeping, and related consulting services. In federal contracting, this code covers audit services for Inspector General offices, financial statement audits under the CFO Act, improper payments auditing, grant auditing (single audit under 2 CFR Part 200), and financial management consulting. GAO, various IGs, and OMB-funded programs award significant audit and accounting contracts under this NAICS. Large accounting firms (Deloitte, KPMG, Grant Thornton) and small CPA firms compete here.
541211
NAICS Code
$21M
SBA Size Standard
18,000
Registered Entities
Applicable Set-Aside Programs
Companies that qualify under NAICS 541211 and hold applicable SBA certifications can compete for set-aside contracts reserved for these programs. Certifications are linked to your CAGE code record in SAM.gov.
Learn about set-aside programs →Top Federal Buyers Under NAICS 541211
These agencies award the most contract dollars under this NAICS code. See full award data on FedAtlas.com.
Types of Federal Audit Work Under NAICS 541211
- Financial statement audits — required annually for all major federal agencies under the CFO Act of 1990
- Single audits — required for grantees receiving more than $1M in federal funds (2 CFR Part 200)
- Performance audits — efficiency and effectiveness reviews by IG offices
- Attestation engagements — internal control reviews, agreed-upon procedures
Look Up a NAICS 541211 Vendor
Decode any CAGE code to verify a vendor's primary NAICS code, SAM status, and certifications.
Frequently Asked Questions
What is the size standard for NAICS 541211?
$21 million average annual receipts.
Contract Award Data
NAICS 541211 Awards on FedAtlas.com
See every federal contract won under NAICS 541211 — by company, agency, state, and year.
NAICS 541211 Quick Facts
- Code
- 541211
- Sector
- Professional, Scientific, and Technical Services
- SBA Size Standard
- $21M
Quick Decode
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